LIBPFM - Online Linux Manual PageSection : 3
Updated : July, 2017
Source :
Note : Linux Programmer's Manual
NAMElibpfm_amd64_fam17h - support for AMD64 Family 17h processors
SYNOPSIS#include <perfmon/pfmlib.h> PMU name: amd64_fam17h (deprecated), amd_fam17h_zen1 PMU desc: AMD64 Fam17h Zen1
DESCRIPTION The library supports AMD Family 17h processors Zen1 core PMU in both 32 and 64-bit modes. The amd64_fam17h PMU model name has been deprecated in favor of amd_fam17h_zen1. The old name is maintained for backward compatibility reasons, but should not be used anymore.
MODIFIERSThe following modifiers are supported on AMD64 Family 17h Zen1 core PMU: u  Measure at user level which includes privilege levels 1, 2, 3. This corresponds to PFM_PLM3. This is a boolean modifier. k  Measure at kernel level which includes privilege level 0. This corresponds to PFM_PLM0. This is a boolean modifier. h  Measure at while executing in host mode (when using virtualization). This corresponds to PFM_PLMH. This modifier is available starting with Fam10h. This is a boolean modifier. g  Measure at while executing in guest mode (when using virtualization). This modifier is available starting with Fam10h. This is a boolean modifier. i  Invert the meaning of the event. The counter will now count cycles in which the event is not occurring. This is a boolean modifier e  Enable edge detection, i.e., count only when there is a state transition. This is a boolean modifier. c  Set the counter mask value. The mask acts as a threshold. The counter will count the number of cycles in which the number of occurrences of the event is greater or equal to the threshold. This is an integer modifier with values in the range [0:255].
AUTHORSStephane Eranian <eranian@gmail.com> ∞.PP 0
Johanes Gumabo
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Online Linux Manual Page   :   Version   :   Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 24.12.05
Online Linux Manual Page   :   Library   :   lib_c - 24.10.03 - march=x86-64 - mtune=generic - Fedora.40
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